Index: mania2.c
===================================================================
--- mania2.c	(revision 737)
+++ mania2.c	(revision 738)
@@ -504,8 +504,8 @@
  x=raydium_vertex_x[i]-0.5;
  y=raydium_vertex_y[i]-0.5;
 
- raydium_vertex_x[i]=x*raydium_trigo_cos(angle) - y*raydium_trigo_sin(angle);
- raydium_vertex_y[i]=x*raydium_trigo_sin(angle) + y*raydium_trigo_cos(angle);
+ raydium_vertex_x[i]=x*raydium_math_cos(angle) - y*raydium_math_sin(angle);
+ raydium_vertex_y[i]=x*raydium_math_sin(angle) + y*raydium_math_cos(angle);
  raydium_vertex_x[i]+=0.5;
  raydium_vertex_y[i]+=0.5;
  }